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World Population Review
Madison County, Iowa Population 2021
Madison County, Iowa's estimated population is 16,602 with a growth rate of 0.80% in the past year according to the most recent United States census data. Madison County, Iowa is the 47th largest county in Iowa. The 2010 Population was 15,739 and has seen a growth of 5.48% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 16,602 | 132 | 0.80% |
| 2020 | 16,470 | 132 | 0.81% |
| 2019 | 16,338 | 132 | 0.81% |
| 2018 | 16,206 | 206 | 1.29% |
| 2017 | 16,000 | 204 | 1.29% |
| 2016 | 15,796 | 76 | 0.48% |
| 2015 | 15,720 | 104 | 0.67% |
| 2014 | 15,616 | 133 | 0.86% |
| 2013 | 15,483 | -158 | -1.01% |
| 2012 | 15,641 | -99 | -0.63% |
| 2011 | 15,740 | 1 | 0.01% |
| 2010 | 15,739 | 3,256 | 26.08% |
| 1990 | 12,483 | -114 | -0.90% |
| 1980 | 12,597 | 1,039 | 8.99% |
| 1970 | 11,558 | -737 | -5.99% |
| 1960 | 12,295 | -836 | -6.37% |
| 1950 | 13,131 | -1,394 | -9.60% |
| 1940 | 14,525 | 194 | 1.35% |
| 1930 | 14,331 | -689 | -4.59% |
| 1920 | 15,020 | -601 | -3.85% |
| 1910 | 15,621 | -2,089 | -11.80% |
| 1900 | 17,710 | 1,733 | 10.85% |
| 1890 | 15,977 | -1,247 | -7.24% |
| 1880 | 17,224 | 3,340 | 24.06% |
| 1870 | 13,884 | 6,545 | 89.18% |
| 1860 | 7,339 | 6,160 | 522.48% |
| 1850 | 1,179 | 0.00% |
2021 Growth Rate
0.80%
County Website
State
Founded
1846
County Seat
Lat./Long.
2010 Population
15,739
Growth Since 2010
5.48%
Madison County, Iowa Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 15,536 | 97.03% |
| Asian | 226 | 1.41% |
| Two or More Races | 172 | 1.07% |
| Black or African American | 38 | 0.24% |
| Native Hawaiian and Other Pacific Islander | 24 | 0.15% |
| American Indian and Alaska Native | 11 | 0.07% |
| Some Other Race | 5 | 0.03% |
Madison County, Iowa Population by Race
Madison County, Iowa Population Pyramid $2021
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Madison County, Iowa Population by Age
Madison County, Iowa Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 6,462 | 2.45 | 78.4 |
| Married | 4,028 | 2.96 | 87.3 |
| Non Family | 1,763 | 1.06 | 62.5 |
| Male | 341 | 3.13 | 74.8 |
| Female | 330 | 2.86 | 59.7 |
2.9
Average Family Size
2.45
Average Household Size
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Madison County, Iowa Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 302 | 2.75% |
| 9th to 12th Grade | 332 | 3.02% |
| High School Graduate | 4,014 | 36.55% |
| Some College | 2,277 | 20.73% |
| Associates Degree | 1,366 | 12.44% |
| Bachelors Degree | 2,037 | 18.55% |
| Graduate Degree | 654 | 5.96% |
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Madison County, Iowa Educational Attainment by Sex (over 25)
Madison County, Iowa Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 10,489 | 9,996 | 2,602 |
| Hispanic | 265 | 172 | 43 |
| Asian | 161 | 135 | 17 |
| 2+ Races | 52 | 49 | 29 |
| Black | 30 | 20 | |
| Islander | 24 | ||
| Native American | 10 | 1 | |
| Other Race | 1 |
The highest rate of high school graduation is among white people with a rate of 95.30%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 55.77%.
Madison County, Iowa Educational Attainment by Race
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$44,270
Average Earnings
$50,256
Average Male
$32,348
Average Female
Madison County, Iowa Earnings by Educational Attainment
Madison County, Iowa Language by Age
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Madison County, Iowa Language
96.84% of Madison County, Iowa residents speak only English, while 3.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.26% of the population.
Madison County, Iowa Language
Madison County, Iowa Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 15,059 | 729 | 4.84% |
| Hispanic | 324 | 53 | 16.36% |
| Asian | 226 | 25 | 11.06% |
| Islander | 24 | 24 | 100.00% |
| Native | 11 | 9 | 81.82% |
| Black | 29 | 4 | 13.79% |
| Other | 5 | 4 | 80.00% |
5.03%
Overall Poverty Rate
3.56%
Male Poverty Rate
6.55%
Female Poverty Rate
Poverty in Madison County, Iowa
The race most likely to be in poverty in Madison County, Iowa is Islander, with 100.00% below the poverty level.
The race least likely to be in poverty in Madison County, Iowa is White, with 4.84% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.55%. Among those working part-time, it was 5.84%, and for those that did not work, the poverty rate was 12.10%.
Madison County, Iowa Poverty
Madison County, Iowa Poverty Rate by Education
Madison County, Iowa Marital Status
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Marriage Rates
63.9%
Overall Marriage Rate
64.4%
Male Marriage Rate
63.5%
Female Marriage Rate
Madison County, Iowa Married by Age and Sex
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Madison County, Iowa Marriage
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Madison County, Iowa Marital Status by Race
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Madison County, Iowa Marital Status
Madison County, Iowa Veterans by War
Madison County, Iowa Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 856 | 7.29% |
Madison County, Iowa Veterans by Race
Madison County, Iowa Veterans by Education
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5.31%
Veteran Poverty Rate
32.67%
Veteran Disability Rate
Madison County, Iowa Veterans by Education
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69.3%
Labor Force Participation
67.3%
Employment Rate
2.8%
Unemployment Rate
Madison County, Iowa Employment by Age
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Madison County, Iowa Employment by Race
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Madison County, Iowa Employment by Education
Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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98.77%
Native Born
1.23%
Foreign Born
0.81%
Non Citizen
0.42%
Naturalized
Place of Birth
98.77% of Madison County, Iowa residents were born in the United States, with 82.06% having been born in Iowa. 0.81% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Madison County, Iowa Place of Birth
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990